.icon{
	background: url('../icon.png') no-repeat;
}

.icon-zfb{
	background-position: 0 0 ;
}
.icon-wx{
	background-position: 0 -55px ;
}
.icon-apt{
	background-position: -5px -109px ;
}
.icon-data{
	background-position: -5px -152px ;
}